Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a fragmentary enlarged front view;

FIG. 7 is an end view taken along line 7-7 in FIG. 6; and,

FIG. 8 is an end view taken along line 8-8 in FIG. 6.

The broken-lines on the surface in the drawings show portions of the article that form no part of the claim. The dot and dashed lines represents a boundary between the claimed portion and the non-claimed portion. 

CLAIM The ornamental design for a tire tread, as shown and described. 